Pinellia yaoluopingensis X.H.Guo & X.L.Liu

Tuber subglobose, 1.3-3 cm in diam., bearing bulbils at its top. Leaves 1-4; petiole 12-25 cm long, deep green with purple spots; leaf blade trifoliolate, sometimes also pedate, leaflets 3-5, central leaflet oblong-elliptic or obovate elliptic, 5-10 × 3-4.5 cm, acuminate or acute at apex, cuneate at base, lateral leaflets sessile, smaller, 5.5-7.3 × 4 cm; 4-5 primary lateral vein per side, forming a collective vein along margin. Inflorescences 1-2; peduncle usually longer than petioles, 22-36 cm long; spathe 7-8 cm long, constricted, green, tube 2-3.5 × 6-8 mm, limb oblong, 3-4 × 2-3 cm, obtuse at apex; spadix 16-20 cm long; female zone 2-2.5 cm long and 3-5 mm wide; male zone 5-7 × 3-4 mm; sterile zone between female and male flowers 5-6 mm long; appendix 13-18 cm long, green, sigmoid, recurved. Female flowers densely arranged; pistil 1-1.1 mm long, ovary broadly ovoid, 0.9 mm long and in diam., style distinct, stigma discoid, c. 0.25 mm in diam. Male flowers with thecae elongate, c. 1.4 mm long, each pollen sac opening by a pore. Berries conic, obtuse, seed 1.